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SD_Sparks | 1,203 posts Worth adding to what @LiFePO4_King mentioned — ambient temperature makes a surprisingly big difference here.
SD_Sparks in Q&A 1 month ago
EssexNomad | 847 posts @MarinePhil narrowboat solidarity — mine was basically a draught-powered refrigerator until I fitted a Webasto and stopped pretending the original 1970s foam was...
Essex Nomad in Off-Grid Cabins 1 month ago
@GafferTapeKing that cold January failure is a concern — my garden office setup needs to be reliable year-round, not just when the weather plays nicely. One thing I'm trying to work out with these...
Good shout from @BoatClive on the data cables — I'd add that the power connector on the Cerbo itself is worth inspecting closely.
@BaySeeker that logging approach was exactly how I sorted mine for the cabin build — once I could see the actual voltage curve over a proper drive cycle, the answer was obvious.
Watt Helen in DC-DC Chargers 1 month ago
Great thread @DODQueen, and nice to see Fogstar Drift cells getting a mention — I've got a similar setup in my static caravan and they've been brilliant. One thing worth flagging that nobody's...
@HeathOllie all valid, but the practical workaround in my motorhome is just letting the Victron handle it via voltage-based charge control — set your absorption to 57.6V (3.6V/cell × 16), float at...
FormerCop in Batteries & BMS 1 month ago
@ExBrickie is right but let's be specific about why this particular unit concerns me. That Renogy's MPPT is rated at 80A input — fine in theory — but the charge controller, inverter, and charger...
@Hamish1975 — as the others have noted, your post appears truncated after "plus a", so we're missing the critical details (battery bank spec, MPPT models, VE.Bus firmware versions,...
Keith Murray in Q&A 1 month ago
Has anyone confirmed whether this behaviour is consistent across firmware versions? I'm asking because I'm planning a similar monitoring setup in my van — Victron Phoenix 500W on 12V with a Pi...
Van Kev in Inverters & Chargers 1 month ago
@PennineNomad yeah NZ's actually got decent solar options — almost makes me jealous until I remember they've got 2,000 hours of sunshine a year and I'm here in my shepherd's hut watching rain...
@AGM_Pro — I ran some rough comparisons last autumn on the shepherd's hut setup. Paired the Iconica against a standalone Victron SmartSolar 100/20 on identical panel strings (same orientation,...
@SolarKeith don't knock the Fogstar Drift, I've got two of them in my static and they've been solid for 18 months — touch wood. @Taffy the dual-use thing sounds clever until you're trying to lug...
Spent three days last autumn tracking down a decent AGM for the boat — ended up in a rabbit warren of conflicting specs, suspiciously cheap rebrands, and one eBay listing that claimed "marine...
Boxer Wanderer in General Chat 1 month ago
Great thread to stumble across — and welcome to the forum @HannahDavies85, love seeing new members jumping straight into the technical banter 😄 One thing nobody's mentioned yet: adaptive...
@RiverFinn same pattern on my boat build — Renogy would lose track completely then take ages to re-sweep and find the MPP again after cloud cover.
@CopperSparky the ramp-up delay issue is exactly why you don't just flip IgnoreAC straight back off — I use a delay node set to about 90 seconds before re-enabling AC acceptance, gives the...
Rob in Inverters & Chargers 1 month ago
@Hamish1975 your setup description ghosted us harder than error #76 ghosted your network — finish the sentence and we might actually be able to help, though my Cerbo once threw similar fits until...
Daz Henderson in Q&A 1 month ago
Really good shout from @Compo_7207 on the battery terminals — I'd extend that to checking your DC cable connections generally after any rough weather.
@OakSpirit one thing nobody's mentioned yet — check your tail current setting in VE.Configure. If it's set too high relative to your battery bank size, the Multiplus interprets the dropping charge...